Articles

 Are We Becoming Hereditary Weaklings?

Harold E. Lippman
Science 28 November 1969: 1097.
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 Letters to the Editor

Charles S. Marwick
Science 28 November 1969: 1097.
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 More Heat Than Light

Edward M. Gurowitz
Science 28 November 1969: 1097-1098.
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 Why Europe's Grass is Greener

Cedric L. Chernick
Science 28 November 1969: 1098.
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 Ecology Crossfire

C. Brooke Worth
Science 28 November 1969: 1098.
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 Letters to the Editor

I. C. T. Nisbet
Science 28 November 1969: 1098.
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 Support of Science on the University's Own Terms

Gerard Piel
Science 28 November 1969: 1101.
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 Mettler fits economy plus performance into your balance budget

Science 28 November 1969: 1102.
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 The Tragedy of the Commons Revisite

Beryl L. Crowe
Science 28 November 1969: 1103-1107.
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 Prehistoric Cultural Contacts in Southwestern Alaska

D. E. Dumond
Science 28 November 1969: 1108-1115.
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 What We Must Do

John Platt
Science 28 November 1969: 1115-1121.
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 European Science: Financially, Politically, It Has Trouble Too

D. S. Greenberg
Science 28 November 1969: 1122-1126.
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 NEWS IN BRIEF

Science 28 November 1969: 1123.
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 New SIPRI Yearbook of Armaments, Disarmament

Science 28 November 1969: 1124.
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 Documents the Direction, Pace of the Arms Race

D. S. Greenberg
Science 28 November 1969: 1125.
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 Medical Care: As Costs Soar, Support Grows for Major Reform

Joel R. Kramer
Science 28 November 1969: 1126-1129.
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 How Medicare and Medicaid Work

Science 28 November 1969: 1127.
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 Postdoctoral Education: Report Emphasizes Recognition Problem

John Walsh
Science 28 November 1969: 1129-1130.
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 RECENT DEATHS

Science 28 November 1969: 1130.
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 Survival and the Bomb. Methods of Civil Defense. Eugene P. Wigner, Ed. Indiana University Press, Bloomington, 1969. x + 310 pp., illus. $7.50

Steven Weinberg
Science 28 November 1969: 1131-1132.
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 Family Planning in Taiwan. An Experiment in Social Change. Ronald Freedman and John Y. Takeshita. Princeton University Press, Princeton, N.J., 1969. xxx + 506 pp., illus. $15

Thomas K. Burch
Science 28 November 1969: 1132-1134.
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 Gene Activity in Early Development. Eric H. Davidson. Academic Press, New York, 1969. xii + 376 pp., illus. $12.50

Ralph T. Hinegardner
Science 28 November 1969: 1134.
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 Habitats and TerritorIes. A Study of the Use of Space by Animals. Peter H. Klopfer. Basic Books, New York, 1969. x + 118 pp., illus. $3.95. Basic Topics in Comparative Psychology

Dennis Chitty
Science 28 November 1969: 1134-1135.
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 Physics of Semiconductor Devices. S. M. Sze. Interscience (Wiley), New York, 1969. xvi + 814 pp., illus. $19.95

Maurice Glicksman
Science 28 November 1969: 1135.
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 Physical Measurement and Analysis of Thin Films. Eastern Analytical Symposium, New York, 1967. E. M. Murt and W. G. Guldner, Eds. Plenum, New York, 1969. xii + 196 pp., illus. $12.50. Progress in Analytical Chemistry, vol. 2

Alexandre Rothen
Science 28 November 1969: 1135.
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Lherzolite, Anorthosite, Gabbro, and Basalt Dredged from the Mid-Indian Ocean Ridge

Celeste G. Engel and Robert L. Fisher
Science 28 November 1969: 1136-1141.
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Mars: Is the Surface Colored by Carbon Suboxide?

William T. Plummer and Robert K. Carsont
Science 28 November 1969: 1141-1142.
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Carbon-14 Trends in Subfossil Pine Stubs

J. C. Vogel, W. A. Casparie, and A. V. Munaut
Science 28 November 1969: 1143-1145.
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Nonexistence of Large Mascons at Mare Marginis and Mare Orientale

P. Gottlieb, P. M. Muller, and W. L. Sjogren
Science 28 November 1969: 1145-1147.
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X-ray Diffraction Studies of Echinoderm Plates

Gabrielle Donnay and David L. Pawson
Science 28 November 1969: 1147-1150.
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Crystal Orientation and Plate Structure in Echinoid Skeletal Units

Hans-Ude Nissen
Science 28 November 1969: 1150-1152.
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Cystine: Compartmentalization within Lysosomes in Cystinotic Leukocytes

J. D. Schulman, K. H. Bradley, and J. E. Seegmiller
Science 28 November 1969: 1152-1154.
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Intestinal Calcium Absorption: Nature of Defect in Chronic Renal Disease

Louis V. Avioli, Susan Scott, Sook Won Lee, and H. F. De Luca
Science 28 November 1969: 1154-1156.
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Homology of Lactate Dehydrogenase Genes: E Gene Function in the Teleost Nervous System

Gregory S. Whitt
Science 28 November 1969: 1156-1158.
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Naturally Occurring Diol Lipids: Dialkoxypentanes in Porpoise (Phocoena phocoena) Jaw Oil

Usha Varanasi and Donald C. Malins
Science 28 November 1969: 1158-1159.
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Oxytocin: Effects of Degradation on Radioimmunologic and Biologic Activity

P. Kumaresan, A. Kagan, and S. M. Glick
Science 28 November 1969: 1160-1161.
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Group A Streptococci: Localization in Rabbits and Guinea Pigs Following Tissue Injury

Isaac Ginsburg, Harry A. Gallis, Roger M. Cole, and Ira Green
Science 28 November 1969: 1161-1163.
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Herpes Simplex Virus: Dry Mass

Fritz Lampert, Gunter F. Bahr, and Alan S. Rabson
Science 28 November 1969: 1163-1165.
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Memory in the Japanese Quail: Effects of Puromycin and Acetoxycycloheximide

Stephen J. Mayor
Science 28 November 1969: 1165-1167.
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Central Neuron Initiation of Periodic Gill Movements

Bertram Peretz
Science 28 November 1969: 1167-1172.
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Ultraviolet Video-Viewing: The Television Camera as an Insect Eve

T. Eisner, R. E. Silberglied, D. Aneshansley, J. E. Carrel, and H. C. Howland
Science 28 November 1969: 1172-1174.
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Ponzo Perspective Illusion as a Manifestation of Space Perception

H. Leibowitz, R. Brislin, L. Perlmutrer, and R. Hennessy
Science 28 November 1969: 1174-1176.
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Rhesus Monkeys: Mating Season Mobility of Adult Males

D. G. Lindburg
Science 28 November 1969: 1176-1178.
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Hearing, Single-Unit Analysis, and Vocalizations in Songbirds

Masakazu Konishi
Science 28 November 1969: 1178-1181.
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 Fissure Basalts and Ocean-Floor Spreading on the East Pacific Rise

R. P. Von Herzen and Enrico Bonatti
Science 28 November 1969: 1181-1183.
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 Whither Lunar and Planetary Exploration in the 1970's

Donald G. Rea
Science 28 November 1969: 1184-1185.
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 Human Settlements and Environmental Design

A. H. Esser and R. G. Studer
Science 28 November 1969: 1186-1188.
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 The City as a Social System

Helen I. Safa
Science 28 November 1969: 1189-1190.
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 Water Balance in North America

Edward Silberman
Science 28 November 1969: 1191.
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 Courses

Science 28 November 1969: 1191.
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